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Holocephali (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Chimaera: Named for the mythological creature composed of parts of multiple animals, referring to their odd mix of characteristics (See ETYFish); didierae: In honor of Dominique A. Didier (b. 1965), Millersville University (Pennsylvania, USA), for her “outstanding” contributions to the systematics of chimaeras (See ETYFish).
Eponymy: Dr Dominique Ann Didier (d: 1965) is an American marine biologist and ichthyologist. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 1000 - 1100 m (Ref. 116312). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southwestern Indian Ocean, seamount of the southern part of the Madagascar Ridge, near Walters Shoal.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 15.6 cm TL male/unsexed; (Ref. 116312)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Clerkin, P.J., Ebert, D.A. and J.M. Kemper, 2017. New species of Chimaera (Chondrichthyes: Holocephali: Chimaeriformes: Chimaeridae) from the Southwestern Indian Ocean. Zootaxa 4312(1):1-37. (Ref. 116312)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Data deficient (DD) ; Date assessed: 02 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Food consumption
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Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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Abundance

Life cycle
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Maturity/Gills rel.
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Anatomy
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Genetics
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00331 (0.00137 - 0.00798), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Deep-water species with large eggs and low fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Chimaera didierae Clerkin, Ebert & Kemper, 2017